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Code Issues Releases Wiki Activity

* Updated breakpad to latest version.

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This commit is contained in:
Christian Muehlhaeuser
2012-06-24 18:25:34 +02:00
parent 0a3a9a7e97
commit d3eb5c3f88
186 changed files with 9184 additions and 5835 deletions
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87
thirdparty/breakpad/processor/stackwalker_amd64_unittest.cc vendored
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@@ -182,7 +182,7 @@ TEST_F(GetCallerFrame, ScanWithoutSymbols) {
stack_section.start() = 0x8000000080000000ULL;
u_int64_t return_address1 = 0x50000000b0000100ULL;
u_int64_t return_address2 = 0x50000000b0000900ULL;
Label frame1_sp, frame2_sp;
Label frame1_sp, frame2_sp, frame1_rbp;
stack_section
// frame 0
.Append(16, 0) // space
@@ -198,6 +198,11 @@ TEST_F(GetCallerFrame, ScanWithoutSymbols) {
.D64(0x40000000b0000000ULL) // more junk
.D64(0x50000000d0000000ULL)
.Mark(&frame1_rbp)
.D64(stack_section.start()) // This is in the right place to be
// a saved rbp, but it's bogus, so
// we shouldn't report it.
.D64(return_address2) // actual return address
// frame 2
.Mark(&frame2_sp)
@@ -206,6 +211,7 @@ TEST_F(GetCallerFrame, ScanWithoutSymbols) {
RegionFromSection();
raw_context.rip = 0x40000000c0000200ULL;
raw_context.rbp = frame1_rbp.Value();
raw_context.rsp = stack_section.start().Value();
StackwalkerAMD64 walker(&system_info, &raw_context, &stack_region, &modules,
@@ -222,10 +228,12 @@ TEST_F(GetCallerFrame, ScanWithoutSymbols) {
StackFrameAMD64 *frame1 = static_cast<StackFrameAMD64 *>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameAMD64::CONTEXT_VALID_RIP |
StackFrameAMD64::CONTEXT_VALID_RSP),
StackFrameAMD64::CONTEXT_VALID_RSP |
StackFrameAMD64::CONTEXT_VALID_RBP),
frame1->context_validity);
EXPECT_EQ(return_address1, frame1->context.rip);
EXPECT_EQ(frame1_sp.Value(), frame1->context.rsp);
EXPECT_EQ(frame1_rbp.Value(), frame1->context.rbp);
StackFrameAMD64 *frame2 = static_cast<StackFrameAMD64 *>(frames->at(2));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame2->trust);
@@ -243,7 +251,7 @@ TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
// lies within a function's bounds.
stack_section.start() = 0x8000000080000000ULL;
u_int64_t return_address = 0x50000000b0000110ULL;
Label frame1_sp;
Label frame1_sp, frame1_rbp;
stack_section
// frame 0
@@ -258,10 +266,12 @@ TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
.D64(return_address) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(32, 0); // end of stack
.Append(32, 0) // end of stack
.Mark(&frame1_rbp);
RegionFromSection();
raw_context.rip = 0x40000000c0000200ULL;
raw_context.rbp = frame1_rbp.Value();
raw_context.rsp = stack_section.start().Value();
SetModuleSymbols(&module1,
@@ -286,14 +296,81 @@ TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
StackFrameAMD64 *frame1 = static_cast<StackFrameAMD64 *>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameAMD64::CONTEXT_VALID_RIP |
StackFrameAMD64::CONTEXT_VALID_RSP),
StackFrameAMD64::CONTEXT_VALID_RSP |
StackFrameAMD64::CONTEXT_VALID_RBP),
frame1->context_validity);
EXPECT_EQ(return_address, frame1->context.rip);
EXPECT_EQ(frame1_sp.Value(), frame1->context.rsp);
EXPECT_EQ(frame1_rbp.Value(), frame1->context.rbp);
EXPECT_EQ("echidna", frame1->function_name);
EXPECT_EQ(0x50000000b0000100ULL, frame1->function_base);
}
TEST_F(GetCallerFrame, CallerPushedRBP) {
// Functions typically push their %rbp upon entry and set %rbp pointing
// there. If stackwalking finds a plausible address for the next frame's
// %rbp directly below the return address, assume that it is indeed the
// next frame's %rbp.
stack_section.start() = 0x8000000080000000ULL;
u_int64_t return_address = 0x50000000b0000110ULL;
Label frame0_rbp, frame1_sp, frame1_rbp;
stack_section
// frame 0
.Append(16, 0) // space
.D64(0x40000000b0000000ULL) // junk that's not
.D64(0x50000000b0000000ULL) // a return address
.D64(0x40000000c0001000ULL) // a couple of plausible addresses
.D64(0x50000000b000aaaaULL) // that are not within functions
.Mark(&frame0_rbp)
.D64(frame1_rbp) // caller-pushed %rbp
.D64(return_address) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(32, 0) // body of frame1
.Mark(&frame1_rbp); // end of stack
RegionFromSection();
raw_context.rip = 0x40000000c0000200ULL;
raw_context.rbp = frame0_rbp.Value();
raw_context.rsp = stack_section.start().Value();
SetModuleSymbols(&module1,
// The youngest frame's function.
"FUNC 100 400 10 sasquatch\n");
SetModuleSymbols(&module2,
// The calling frame's function.
"FUNC 100 400 10 yeti\n");
StackwalkerAMD64 walker(&system_info, &raw_context, &stack_region, &modules,
&supplier, &resolver);
ASSERT_TRUE(walker.Walk(&call_stack));
frames = call_stack.frames();
ASSERT_EQ(2U, frames->size());
StackFrameAMD64 *frame0 = static_cast<StackFrameAMD64 *>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameAMD64::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ(frame0_rbp.Value(), frame0->context.rbp);
EXPECT_EQ("sasquatch", frame0->function_name);
EXPECT_EQ(0x40000000c0000100ULL, frame0->function_base);
StackFrameAMD64 *frame1 = static_cast<StackFrameAMD64 *>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameAMD64::CONTEXT_VALID_RIP |
StackFrameAMD64::CONTEXT_VALID_RSP |
StackFrameAMD64::CONTEXT_VALID_RBP),
frame1->context_validity);
EXPECT_EQ(return_address, frame1->context.rip);
EXPECT_EQ(frame1_sp.Value(), frame1->context.rsp);
EXPECT_EQ(frame1_rbp.Value(), frame1->context.rbp);
EXPECT_EQ("yeti", frame1->function_name);
EXPECT_EQ(0x50000000b0000100ULL, frame1->function_base);
}
struct CFIFixture: public StackwalkerAMD64Fixture {
CFIFixture() {
// Provide a bunch of STACK CFI records; we'll walk to the caller